Cedarbrook Elementary School

Set in PLAINFIELD, New Jersey, Cedarbrook Elementary School is a large elementary school, part of Plainfield Public School District. It enrolls 671 students across grades K through 8. That puts it 66% above the typical public school in New Jersey, which averages around 405 students.

Within Plainfield Public School District, which oversees 15 schools and 8,522 students, Cedarbrook Elementary School is one campus in the system.

On demographics, Cedarbrook Elementary School shows that Hispanic students make up the majority at 69%. The remainder consists of 28% Black. That is visibly more Hispanic than the county at large, where the share is closer to 35%.

Looking at school resources, Staff filings list 60 full-time-equivalent teachers, which works out to roughly 11.2:1 students per teacher. That tracks the state average closely. Roughly 69% of students at Cedarbrook Elementary School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Union County (around 52%), the school's rate is somewhat above typical.

Adjusting for the school's free-and-reduced-lunch share, Cedarbrook Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 28.3%; this one delivers 21.0%.

Around the school, the surrounding county (Union County) logs that median household earnings sit near $103,202, about 39% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, Union County runs 180 public schools (combined enrollment of about 99,046 students), of which Cedarbrook Elementary School is one.

Hubbard Middle School is the nearest neighboring public school, about 0.5 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Cedarbrook Elementary School. Ranking that nearby cluster on reported proficiency puts Cedarbrook Elementary School at 4th of 9; the average score across the group is 20.9%.

The campus sits in a residential setting.

Over the past 7-year window. Cedarbrook Elementary School's enrollment has stayed largely flat since 2018, when it stood at 659 (now 671). Over the same period, the Black share edged down from 50% to 28%. Class-load math has fell: from 14.6:1 in 2018 to 11.2:1 in 2025.

In the discussion threads here, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.